eighteen-wheeler

listen to the pronunciation of eighteen-wheeler
الإنجليزية - الإنجليزية
A tractor-trailer with eighteen wheels, normally with two steerable wheels on the first axle and four wheels on two fixed axles of the tractor and two fixed four-wheel axles on the rear of the trailer
(Otomotiv) A trucking rig consisting of a tractor and a trailer and typically having eighteen wheels